And when you watch the video, it's pretty clear why. The boy is a STAR:

In a Facebook comment, the 8-year-old's mum Gemma writes, "Three years ago, when William was five he was diagnosed with autism.

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Notable people with Autism and Asperger's syndrome

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Notable people with Autism and Asperger's syndrome

Singer James Durbin has been very public about his Tourettes and Asperger’s syndrome.

(Photo by Paul Archuleta/FilmMagic)

Actress Daryl Hannah has Asperger's

. REUTERS/Mario Anzuoni (UNITED STATES)

DENVER, CO - MARCH 3: Dr. Temple Grandin speaks outside of the US Patent and Trademark Office on April 3, 2016 in Denver, Colorado. Grandin, who is a professor of animal science at Colorado State University, is the first woman to be honored by the USPTO on it's kid friendly inventor trading cards. Grandin, who is autistic, is well known for her innovative equipment designs that have greatly improved conditions for animals in the livestock industry. (Photo by Helen H. Richardson/The Denver Post via Getty Images)

Actor Dan Aykroyd revealed that he was diagnosed with Tourettes and Asperger’s syndrome.

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Singer Susan Boyle revealed in 2013 that she was diagnosed with Aspergers. REUTERS/David Moir

Heather Kuzmich made waves as the first contestant on America's next top model with Asperger's.

Photo Credit: The CW

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"He struggled to communicate, struggled academically in school and continues to struggle to socialise and make friends, but about 18 months ago his dad introduced him (via YouTube) to the wonders of Michael Jackson and he watched his videos for hours on end and learnt all his routines off by heart."

Looks like all that hard work paid off — at just 8, William has managed to master the dance moves of one of the world's greatest performers.